.box {
    display: flex;
    height: 100wh;
    width: 100%;
}

.material {
    width: 200px;
    border-right: 1px solid #dedfe0;
    background: #f5f5f5;
}

.material-con {
    padding: 10px;
    display: flex;
    justify-content: center;
}

.material-con-cont {
    cursor: pointer;
}

.container {
    box-sizing: border-box;
    width: 100%;
    position: relative;
}
.popup{
    position: absolute;
    background: #337ab7;
    box-shadow: 0px 0px 20px rgba(200, 200, 200, .5);
    padding: 5px;
    text-align: center;
    cursor: pointer;
}
.htmlNode{
    width: 80px;
    height: 40px;
    background: #a6accd;
    border: 2px solid #000;
    display: flex;
    font-size: 12px;
    align-items: center;
    justify-content: center;
}